Multiple choice general knowledge science & technology

Cl

  1. 13

  2. 15

  3. 17

  4. 19
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cl is the chemical symbol for Chlorine. Its atomic number is 17, representing the number of protons in its nucleus. 13 is Aluminum, 15 is Phosphorus, and 19 is Potassium.

Keep practicing — related questions